<html window-resizable>
  <head>
    <title>Hosted element</title>
    <style>
      body { margin:0; padding:0; }

      video.generator {
        display:block;
        behavior: video-generator video;
        size: *;
        foreground-size:contain;
      }

    </style>
    <script type="text/tiscript"></script>
  </head>
<body>
</body>
</html>
